Seiko Cal. 6644 - 620

Seiko 6644-620

The 6644-620 is a sought-after Solar piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-275b7b8ba847]

Also known as: Bellmatic, Arnie

Specifications

Movement
Solar
Case Material
Titanium
Case Width
35mm
Case Thickness
8.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
50m
Dial Color
Champagne
Jewels
26j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1965

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